Marlies has worked for Meijburg & Co’s Tax Knowledge Center (TKC) since 2007, prior to which she worked in the general advisory practice. Before joining Meijburg & Co, she was head of the Tax Insurance Law department of a large international actuarial consultancy firm. Marlies was responsible for setting up a database on tax, legal, insurance, and pension information. In 2000, she won an award for the best knowledge management within the KPMG organization.

She lectures on partnerships, commercial partnerships, limited partnerships, and private limited liability companies for the professional Notarial training course (Beroepsopleiding Notariaat) and is a permanent contributor to the professional journals NTFR and Fiscaal Tijdschrift Vermogen.

Marlies is a member of the tax knowledge groups Insurance Products, Pensions, Estate Planning, Principal Residence, and Divorce.

She is also a participant in the VIIP (Women in Institutional Pensions) and WIFS (Women in Financial Services) networks, and was a member of the board of the Stichting Studentenhuis Meer & Vaart.


  • Endowment insurance policies, annuities, and other annuity entitlements
  • Insured bank saving schemes
  • Dutch and foreign pensions
  • Small and medium-sized enterprises
  • Principal residence/listed buildings
  • Divorce
  • Tax and civil litigation, including actio Pauliana

Education and memberships

  • Tax Law, Amsterdam University
  • Econometrics, Amsterdam University
  • Member of the Dutch Association of Tax Advisors


  • Kastelein, M.E. (2012). Aftrek verbouwingskosten monumentenpand (“Deducting the renovations costs of listed buildings”). NTFR 2012/538.
  • Kastelein, M.E. (2011) De kapitaalverzekering met lijfrenteclausule onder de loep (“A closer look at endowment insurance with an annuity clause”). Fiscaal Tijdschrift Vermogen, December 2011, nr. 55, pp. 5-14.
  • Kastelein, M.E. (2011). Afkoopsommen van pensioenen en belastingverdragen (“Surrender payments for pensions under tax treaties”). Taxweek-boek Universiteit van Groningen, November 2011, pp. 102-120.
  • Kastelein, M.E. & Kalloe, V. (2011). The European Commission Green Paper on pensions: Lessons from the Dutch experience. Pensions - An International Journal, September 2011.
  • Kastelein, M.E. (2008) Asset pooling en Nederland als pensioenland (“Asset pooling and Dutch pensions”). NOB-jaarbundel, May 2008.
  • Kastelein, M.E. (2006) Gelijke behandeling van pensioen in werknemers- en ondernemersfeer (“Pension equality for employees and businesses”). Rapport in opdracht van Delta Lloyd-MKB.
  • Kastelein, M.E. & Tabak, S.R. (2005). Portability of EU Pensions.